Finding the Fourth Proportional to 836,219.68, 1,248,010.28 and 755,507.23
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Solution
The fourth proportional to 836,219.68, 1,248,010.28 and 755,507.23 is: 1,127,551.54
Step by Step Solution
- Step 1: Write the proportion equation
836,219.68 : 1,248,010.28 = 755,507.23 : x - Step 2: Convert to fraction form
836,219.68/1,248,010.28 = 755,507.23/x - Step 3: Cross multiply
836,219.68x = 1,248,010.28 × 755,507.23 - Step 4: Simplify right side
836,219.68x = 942,880,789,654.32 - Step 5: Solve for x
x = 942,880,789,654.32/836,219.68 - Step 6: Final answer
x = 1,127,551.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.